html {
  font-family: Arial, Helvetica, sans-serif;
  text-align: center;
}

h1 {
  font-size: 1.8rem;
  color: white;
}

h2 {
  font-size: 1.5rem;
  font-weight: bold;
  color: #143642;
}

.topnav {
  overflow: hidden;
  background-color: #143642;
}

body {
  margin: 0;
}

.content {
  padding: 30px;
  max-width: 600px;
  margin: 0 auto;
}

.card {
  background-color: #F8F7F9;
  ;
  box-shadow: 2px 2px 12px 1px rgba(140, 140, 140, .5);
  padding-top: 10px;
  padding-bottom: 20px;
}

.button {
  padding: 15px 50px;
  font-size: 24px;
  text-align: center;
  outline: none;
  color: #fff;
  background-color: #0f8b8d;
  border: none;
  border-radius: 5px;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
}

/*.button:hover {background-color: #0f8b8d}*/
.button:active {
  /* background-color: #0f8b8d; */
  box-shadow: 2 2px #CDCDCD;
  transform: translateY(2px);
}

.button_small {
  padding: 13px;
  margin: 5px;
}

.button_low {
  color: #000;
  background-color: #8c8c8c;
}

.state {
  font-size: 1.5rem;
  color: #8c8c8c;
  font-weight: bold;
}